The Definitive Guide to JSF in Java EE 8: Building Web Applications with JavaServer Faces

© Bauke Scholtz, Arjan Tijms 2018

Bauke Scholtz and Arjan TijmsThe Definitive Guide to JSF in Java EE 8https://doi.org/10.1007/978-1-4842-3387-0_10

10. WebSocket Push

Bauke Scholtz¹  and Arjan Tijms²

(1)

Willemstad, Curaçao

(2)

Amsterdam, Noord-Holland, The Netherlands

 

JSF 1.0 introduced HTML form-based POST action support. JSF 2.0 introduced AJAX-based POST support. JSF 2.0 introduced GET query string parameter mapping support. JSF 2.2 introduced GET-based action support. JSF 2.3 introduces WebSocket support.

JSF’s WebSocket support is represented by the new <f:websocket> tag, the PushContext interface , and the @Push annotation. It is built on top of the JSR-356 WebSockets specification, introduced in Java EE 7. Therefore, it is technically possible ...